Should move the device check burglar proof, near the stairs to move more. At present, it is often because people of walk through back and forth (not stealing) .
Should move the device to check the theft of close to moving up the ladder. Currently, it is often Because there are people walking past holding (not stolen).
Should move equipment check alarm for near the staircase in the move more. Nowadays it so frequently, because someone hold of passing through (not a thief) .